ALKOTA 3182 - Page 16

OIL FIRED WATER HEATER TROUBLESHOOTING
07-15-03 Z08-00133
ECN-02981 Supersedes 04-10-02 Z08-00133
TROUBLE POSSIBLE CAUSE REMEDY
1. Machine will not rise to
operating temperature
A. Low fuel pressure.
B. Water in fuel piping.
C. Fuel filter clogged.
D. Poor combustion.
E. Improper fuel supply.
F. Temperature control
inoperative (if equipped).
A. See BURNER on MODEL
SPECIFICATIONS for specified pressure.
B. Drain fuel tank and remove and replace
filter per FUEL FILTER INSERT.
C. Remove and replace fuel filter element per
FUEL FILTER INSERT.
D. See "Poor combustion".
E. Use fuel specified in "BURNER" section of
the MODEL SPECIFICATIONS.
F. See TEMPERATURE CONTROL INSERT.
2. Machine overheats A. Insufficient water.
B. Temperature control
inoperative.
C. Improper fuel supply
A. See Low Operating Pressure on MACHINE
TROUBLESHOOTING INSERT.
B. See TEMPERATURE CONTROL INSERT.
C. Use fuel specified in "BURNER" section of
the MODEL SPECIFICATIONS.
3. Dry steam (very little
moisture, very hot
steam)
A. Insufficient water.
B. Improper fuel supply.
C. Improper fuel pressure.
A. See Low Operating Pressure on MACHINE
TROUBLESHOOTING INSERT.
B. Use fuel specified in BURNER section of
the MACHINE SPECIFICATIONS.
C. See BURNER on MODEL
SPECIFICATIONS for specified pressure.
4. Machine smokes (sweet
smelling exhaust)
A. Improper fuel supply.
B. Insufficient combustion
air.
C. Leaking fuel system.
D. Clogged or improper
burner nozzle.
E. Loose burner nozzle.
A. Use fuel specified in BURNER section of
MODEL SPECIFICATIONS.
B. See AIR BAND ADJUSTMENT on OIL
BURNER MAINTENANCE INSERT.
C. Correct leakage problem.
D. Remove (DO NOT CLEAN) and replace
nozzle per BURNER ASSEMBLY INSERT.
E. See BURNER MAINTENANCE INSERT.
5. Machine fumes
(exhaust burns eyes)
A. Too much combustion air.
B. Improper fuel pressure.
A. See BURNER TROUBLESHOOTING
INSERT.
B. See FUEL on MODEL SPECIFICATIONS
for specified pressure.
6. Excessive oil dripping
from laydown coil
condensate.
A. Loose nozzle.
B. Fuel pressure too high.
C. Burner nozzle defective.
D. Incorrect burner nozzle.
A. See BURNER TROUBLESHOOTING
INSERT.
B. See FUEL PRESSURE ADJUSTMENT
section on BURNER MAINTENANCE
INSERT.
C. Remove and replace with appropriate
nozzle found on the BURNER ASSEMBLY
OR BREAKDOWN INSERT.
D. Remove and replace with appropriate
nozzle found on the BURNER ASSEMBLY
OR BREAKDOWN INSERT.
7. Poor combustion. A. Low fuel pressure.
B. Improper fuel supply.
C. Insufficient combustion
air.
A. See Low Fuel Pressure on BURNER
TROUBLESHOOTING INSERT.
B. See Low Fuel Pressure on BURNER
TROUBLESHOOTING INSERT.
C. See AIR BAND ADJUSTMENT section on
OIL BURNER MAINTENANCE.
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